Electrical Adjustment; Setup Adjustment; White Balance Adjustment; Initialization - Sony PFM-42X1 Service Manual
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Also See for PFM-42X1:
- Specifications (2 pages) ,
- Operating instructions manual (376 pages) ,
- Triage & troubleshooting manual (52 pages)
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2-1. Setup Adjustment
. Required equipments
Remote commander (RM-971)
Digital voltmeter
Luminance meter : Minolta CA-110 or equivalent
If Minolta CA-110 or equivalent is
not available, make adjustment by
comparing the monitor with the
reference LCD monitor that has
already been calibrated correctly.
Signal generator : VG-854 or equivalent
. Preparation of the luminance meter
Place the light receptor block of the luminance meter
about 50 cm away from the monitor screen as shown.
1. How to enter the service mode
Luminance meter
1) Turn on the power.
2) Input Enter → 1 → 8 → 2 from the remote controller
in this order to display SERVICE MODE OSD.
3) Select INITIALIZATION menu, and execute FILL
0xFF.
(When the initialization is completed, the power turns
off and restarts automatically.)
n
W/B readjustment is required after the panel, board or
microprocessor is replaced. However, before W/B adjust-
ment, be sure to perform aging for more than 30 minutes
after RGB reset.
2. Setup
1) Set the timing and pattern data for the signal generator
according to the Sony timing specifications.
2) Connect the monitor video cable to the signal genera-
tor.
PFM-42X1/42X1N
Section 2
Electrical Adjustment
Monitor
about 50 cm
3) Place the luminance meter (e.g. CA-110) 50 cm away
from the monitor. Align it with the vertical center of
the display, and adjust the focus to the optimum level
by using an eyepiece.
4) Place the monitor and the luminance meter (e.g. CA-
110) in a light-shielded room for adjustment.
5) Set up [SERVICE MODE] of the monitor.
3. Operation
For quick setup, set the data manually. Set Brightness,
Contrast, and Backlight to 50, 70, and 100 respectively.
Then, set the color temperature by adjusting its default
value.
4. Warm up time
Warm up for 30 minutes or more before performing any
adjustment.
2-2. White Balance Adjustment
2-2-1. Initialization
1) Input Enter → 1 → 8 → 2 from the remote controller
in this order to display SERVICE MODE OSD.
2) Select INITIALIZATION menu and, execute FILL
0xFF. (When the initialization is completed, the power
turns off and restarts automatically.)
2-2-2. AD Calibration
Execute Auto Calibration as follows by using a PC (1024
x 768 60 Hz) signal.
1. PC signal
1) Display SERVICE MODE OSD and select the AD
CALIBRATION menu.
2) Input Full Black (no video) pattern.
3) Execute PC. CUTOFF.
4) Input Full White pattern.
5) Execute PC.GAIN.
2-1
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Troubleshooting
